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Decreased synthesis/increased degradation were proposed from inhibitor experiments.\nexposure: Theanine administration; inhibitor-based interpretation\nevidence_span: {\"source_cache\": \"artifacts/theanine-research/9614715.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"3ca01512b37779ba52ca0ebc23bcf73bb8c37df0756d8cf0c7d0a0de07e352a2\", \"start_char\": 0, \"end_char\": 364, \"text_sha256\": \"3ca01512b37779ba52ca0ebc23bcf73bb8c37df0756d8cf0c7d0a0de07e352a2\"}\n[theanine-p9614715] Theanine-induced reduction of brain serotonin concentration in rats. (1998). https://pubmed.ncbi.nlm.nih.gov/9614715/ DOI: 10.1271/bbb.62.816","model_system":"Brain monoamine assays and metabolism inhibitors","directness":"author_interpretation","verification_status":"source_derived_draft","notes":"Exact curation-document quotation, not publisher quotation. 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